HTML Related Knowledge points summary

1. Tables <table> Common Properties

cellspacing: distance between two cells

Note: The attribute value is a number, as follows (left cellspacing= "0", right cellspacing= "2").

cellpadding: The distance between text and borders within a cell

Note: The attribute value is a number, as follows (left cellpadding= "0", right cellpadding= "5")

Style= "Border-collapse:collapse|separate"

Separate: Default value, Border independent (standard HTML)
Collapse: Adjacent edges are merged, the border line specified by the Border property is dimmed

Note: <table width= "border=" 1 "cellspacing=" 3 "cellpadding=" 2 "style=" Border-collapse:collapse ">

Note: <table width= "border=" 1 "cellspacing=" 3 "cellpadding=" 2 "style=" Border-collapse:separate ">

Note: <table width= "border=" 1 " cellspacing=" 0 " cellpadding=" 2 "style=" Border-collapse:separate ">

2.<th> Property

Note: Defines the header cells within the table, and the text inside this th element is usually rendered in bold.

colspan: Specifies the number of columns that a cell can span

Note: The attribute value is a number, at which point colspan= "2".

HTML Related Knowledge points summary